| Portchester to Mouscron | 189.55 mi (305.05 km) |
| Portchester to Namur | 263.45 mi (423.99 km) |
| Portchester to Neder-Over-Heembeek | 239.94 mi (386.14 km) |
| Portchester to Neerpelt | 285.90 mi (460.12 km) |
| Portchester to Nevele | 203.73 mi (327.87 km) |
| Portchester to Niel | 237.93 mi (382.91 km) |
| Portchester to Nieuwpoort | 169.40 mi (272.62 km) |
| Portchester to Nijlen | 251.80 mi (405.24 km) |
| Portchester to Ninove | 224.09 mi (360.64 km) |
| Portchester to Nivelles | 238.47 mi (383.79 km) |
| Portchester to Olen | 260.41 mi (419.08 km) |
| Portchester to Oostakker | 213.32 mi (343.31 km) |
| Portchester to Oosterzele | 214.50 mi (345.20 km) |
| Portchester to Oostkamp | 190.58 mi (306.71 km) |
| Portchester to Opglabbeek | 292.06 mi (470.03 km) |
